Weather strip assembly



Dec. 5, 1939. L. A. MACKLANBURG 2,132,207

WEATHER STRIP ASSEMBLY Filed April 25, 1958 Mfm ATTORNEY Patented Dec. 5, 1939 UNllED sr'r s i TENT OFFIQE WEATHER STRIP ASSEIVIBLY Louis A. Macklanburg, Oklahoma City, Okla.

Application April 25, 1938, Serial No. 204,036

8 Claims.

My invention relates to weather strip for building openings, and more particularly to weather strip for sealing between usual window sliding sash and the window casing in which they are mounted.

One object of the invention is the provision of a sealing strip which will eliminate wood to wood contact between the sash and casing, at the same time forming a resilient cushion compensating for expansion or swelling of either casing or sash due to moisture absorption.

Another object of the invention is the provision of a weather strip for the purposes set forth which is installed without grooving either the casing or the sash. I

A prime object of the invention is the provision of a weather strip assembly consistingsubstantially of two longitudinal members held in place by a single set of detents, the members being so arranged that the sash may be removed without removal of the member which is held in place by the detents,

Other objects of the invention are to provide a weather strip accomplishing the purposes above set forth and which is yet so cheap to manufacture that it may be marketed and sold in the competitive price field of usual tack on felt and metal weather strips; each member of which may be formed from plain sheet metal by running it through rollers; which is durable; and, which will be efiicient in accomplishing all of the purposes for which it is intended.

In the drawing:

Figure l is a fragmentary horizontal section taken through a vertical side of a typical window frame and its sash, the strip assembly of the present invention being shown in end elevation;

Figure 2 is a similar view showing a slightly different embodiment of the strip assembly;

Figure 3 is a fragmentary vertical sectional view through the upper and the lower horizontal portions of a typical window frame, the strip assembly being shown in end elevation; and,

Figures 4 and 5 are enlarged sectional details of members of the weather strip assembly.

Like characters of reference designate like parts in all of the figures.

Reference is now made to the single sheet of drawings wherein:

The reference numeral i indicates as a whole a usual side plate of a usual window frame having adjacent its exterior or outer edge a blind stop 2 mortised thereinto, and having adjacent its interior edge a suitable molding strip l. Slidably mounted along the plate I and lying between adjacent faces of the blind stop 2 and the parting stop 3 is a side rail 5 of a usual sliding window sash which retains one edge of a usual window pane 5. In a similar manner, a side rail '5 of a usual window sash is slidable along the side 5 plate I between adjacent faces of the parting stop 3 and the molding strip 4.

The rail 1 embraces one edge of a usual window pane 8. The structure indicated by the reference numerals l to 8 inclusive is typical of 1 usual Window frame and sash construction and does not constitute a part of the present invention,

In Fig. 1 is illustrated one embodiment of a weather strip assembly made in accordance with 15 the present invention, the assembly being shown operatively installed. In this embodiment, the invention is shown as consisting substantially of two metal strips A and B, both formed of sheet metal. The strip A (Fig. 5) is unattached to 2 any portions of the window frame and in crosssection, has a base portion Ill, and bent at right angles thereto has an integral side portion ll. The side portion H has an integral sealing portion or skirt I2 adapted to resiliently contact and 25 seal with a side face of either sash rail 5 or I. The free edge of the skirt l2 has a bead I3 to prevent its binding with the sash rail. The base portion of the strip A has a self-formed rib I4 extending throughout its entire length, 30

The strip B which is also formed of sheet metal consists substantially of a base portion l5 having a plurality of self-formed longitudinal ribs i6, and an integral side portion I'l lying at right angles thereto and having longitudinal ribs I 8 35 formed therein. Usual flat headed tacks, brads, or other suitable detents l9 act to attach the base portion 15 of the strip B to the plate I, and it will be noted (Fig. 1) that the base portion 55 of the strip B lies over the base portion if! of the 40 strip A with the ribs l6 and I l in complemental registration. In this way, only one set of the detents [9 are necessary to hold both members of the assembly in place.

In Fig. 1 the strip A, as shown, lies to the left 45 hand of the two strips B, however the position of either strip A may be reversed in its relation to the strips B.

In the embodiment illustrated in Fig. 2, the strips A are depicted as being greater in width 50 than the strips B and as having their base portions it lying over the base portions l5 of the strips B. The detents l9 therefore anchor the strips A in place and the strips B are in turn positioned by the strips A. 55

In Fig. 3, the reference numeral 20 indicates the bottom rail of the same sash of which the side rail 7 of Figs. 1 and 2 is a part, and the reference numeral 2! represents the top rail of the sash of which the side rail of Figs. 1 and 2 is a part. In operating the two sash the bottom rail closes downwardly upon a usual sill 23 while the sash rail 2| closes upwardly against a head plate 24. For the purpose of sealing around the edge of the top rail 2!, the weather strip assembly is installed upon the head plate 2d in a manner identical with the installation shown in Fig. 1 upon the side plate 5. However, since in usual window frame construction there is no parting It may be seen that should it be desired to remove the sash if from the window frame, of the embodiment shown in Fig. 1, removal of the molding strip l will permit withdrawal of the strip member A from beneath the base portion 15 of the strip B without removal of the detents W. The elements 4 and A may afterward be reinstalled in an obvious manner. The sash 5 may be removed and replaced in a similar manner by merely removing the parting stop 3.

Obviously, the strip B could well be provided with the side portion ll, and the skirt H of the strip A, in lieu of the side portion I! as shown if desired.

I claim:

1. A weather strip assembly for sliding window sash including: two metal strips having their adjacent edge portions lapped one over the other, said portionslying between the face of a window frame and the edge of a window sash rail; resilient means carried by the opposite edge portions of the strips for sealing engagement with the sides of the sash rail; and interlocking means carried by the lapped portions of the strips whereby attachment of one strip to the window frame serves to anchor the other strip thereto.

2. Organization as described in claim 1, in which the interlocking means consists of a longitudinally extending groove carried by one of the strips and a complemental rib carried by the other strip.

3. Organization as described in claim 1, in which one strip is comparatively narrow, and in which the other strip covers the major portion of the edge of said sash rail.

4. Organization as described in claim 1, in which one strip is comparatively narrow, in which the other strip covers the major portion of the edge of said sash rail, and in which the wider strip is attached to the window frame and overlaps the narrower strip.

5. Organization as described in claim 1, in which the sealing means is comprised of a perpendicularly extending portion of the strip, and a skirt portion bent at an acute angle from said perpendicular portion and extending toward the sash rail.

6. Organization as described in claim 1, in which the sealing means is comprised of a perpendicularly extending portion of the strip, and a skirt portion bent at an acute angle from said perpendicular portion and extending toward the sash rail, the free edge of the skirt having a bead turned backwardly away from the sash.

7 Organization as described in claim 1, in which the sealing means is comprised of a perpendicularly extending portion of the strip, and self formed longitudinal ribs carried by the perpendicular portion for sealing engagement with the side of said sash rail.

8. Organization as described in claim 1, in which the portion of the strip which is attached to the window frame is provided with a plurality of longitudinal self-formed ribs for sealing against the edge of the sash rail.

LOUIS A. MACKLANBURG. 

